change Windows build to use Qt-5.3
Merge pull request #913 from Jojo-Schmitz/Qt-5.3

change Windows build to use Qt-5.3
update measure properties + parts
convert enum ArticulationAnchor to enum class
convert enum ChordLineType to enum class
convert unnamed enum to enum class CrossMeasure
convert enum DurationType to enum class
convert enum DynamicType to enum class
convert enum HairpinType to enum class
convert enum Placement to enum class
convert enum DynamicRange to enum class